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1// RUN: %clang_cc1 %s -fobjc-runtime=macosx-fragile-10.5 -fsyntax-only -verify
2
3@interface X
4{
5  int a : -1; // expected-error{{bit-field 'a' has negative width}}
6
7  // rdar://6081627
8  int b : 33; // expected-error{{size of bit-field 'b' (33 bits) exceeds size of its type (32 bits)}}
9
10  int c : (1 + 0.25); // expected-error{{expression is not an integer constant expression}}
11  int d : (int)(1 + 0.25);
12
13  // rdar://6138816
14  int e : 0;  // expected-error {{bit-field 'e' has zero width}}
15}
16@end
17
18@interface Base {
19  int i;
20}
21@end
22
23@interface WithBitFields: Base {
24  void *isa; // expected-note {{previous definition is here}}
25  unsigned a: 5;
26  signed b: 4;
27  int c: 5; // expected-note {{previous definition is here}}
28}
29@end
30
31@implementation WithBitFields {
32  char *isa;  // expected-error {{instance variable 'isa' has conflicting type: 'char *' vs 'void *'}}
33  unsigned a: 5;
34  signed b: 4;
35  int c: 3;  // expected-error {{instance variable 'c' has conflicting bit-field width}}
36}
37@end
38